<template>
  <div>
    <div style="margin: 10px 0">
      <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search" class="mr-5" v-model="name"></el-input>
      <!--      <el-input style="width: 200px" placeholder="请输入邮箱" suffix-icon="el-icon-message" class="mr-5" v-model="email"></el-input>-->
      <!--      <el-input style="width: 200px" placeholder="请输入地址" suffix-icon="el-icon-position" class="mr-5" v-model="address"></el-input>-->
      <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
      <el-button type="warning" @click="reset">重置</el-button>
    </div>

    <div style="margin: 10px 0">
      <el-button type="primary" @click="handleAdd1" >新增 <i class="el-icon-circle-plus-outline"></i></el-button>
      <el-popconfirm
          class="ml-5"
          confirm-button-text='确定'
          cancel-button-text='我再想想'
          icon="el-icon-info"
          icon-color="red"
          title="您确定批量删除这些数据吗？"
          @confirm="delBatch"
      >
        <el-button type="danger" slot="reference">批量删除 <i class="el-icon-remove-outline"></i></el-button>
      </el-popconfirm>
    </div>

    <el-table :data="tableData" border stripe :header-cell-class-name="'headerBg'"  @selection-change="handleSelectionChange"
              style="width: 100%;margin-bottom: 20px;"
              row-key="id"
              border
              default-expand-all
              :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
              >
      <el-table-column type="selection" width="55" ></el-table-column>
      <el-table-column prop="id" label="ID" width="80" align="center"></el-table-column>
      <el-table-column prop="name" label="菜单名" align="center"></el-table-column>
      <el-table-column prop="path" label="路径" align="center"></el-table-column>
      <el-table-column prop="pagePath" label="页面路径" align="center"></el-table-column>
      <el-table-column prop="orderName" label="顺序" align="center"></el-table-column>
      <el-table-column  label="图标" align="center">
        <template slot-scope="scope">
          <i :class="scope.row.icon"  style="font-size:22px ;"/>
        </template>
      </el-table-column>
      <el-table-column prop="description" label="描述" ></el-table-column>
      <el-table-column label="操作"  width="300" align="center">
        <template slot-scope="scope">
          <el-button type="primary" @click="handleAdd(scope.row.id)" v-if="!scope.row.pid && !scope.row.path">新增子菜单 <i class="el-icon-menu"></i></el-button>
          <el-button type="success" @click="handleEdit(scope.row)" v-bind:flagsave="true">编辑 <i class="el-icon-edit"></i></el-button>
          <el-popconfirm
              class="ml-5"
              confirm-button-text='确定'
              cancel-button-text='我再想想'
              icon="el-icon-info"
              icon-color="red"
              title="您确定删除吗？"
              @confirm="del(scope.row.id)"
          >
            <el-button type="danger" slot="reference" v-bind:flagsave="true">删除 <i class="el-icon-remove-outline"></i></el-button>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>
    <div style="padding: 10px 0">
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="pageNum"
          :page-sizes="[2, 5, 10, 20]"
          :page-size="pageSize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total">
      </el-pagination>
    </div>

    <el-dialog title="菜单信息" :visible.sync="dialogFormVisible" width="30%" >
      <el-form label-width="80px" size="small">
        <el-form-item label="菜单名">
          <el-input v-model="form.name" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="路径">
          <el-input v-model="form.path" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="页面路径">
          <el-input v-model="form.pagePath" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="顺序">
          <el-input v-model="form.orderName" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="图标">
<!--          <el-input v-model="form.icon" autocomplete="off"></el-input>-->
          <el-select v-model="form.icon" placeholder="请选择">
            <el-option
                v-for="item in options"
                :key="item.name"
                :label="item.label"
                :value="item.value">
              <i :class="item.value"/>{{item.name}}
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="描述">
          <el-input v-model="form.description" autocomplete="off"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false" class="ml-5">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: "Menu",
  data() {
    return {
      tableData: [],
      total: 0,
      pageNum: 1,
      pageSize: 10,
      name: "",
      path:"",
      icon:"",
      description:"",
      flagsave:false,
      form: {},
      dialogFormVisible: false,
      multipleSelection: [],
      options:[],
      nameicon:"",

    }
  },
  created() {
    this.load()
  },
  methods: {
    load() {
      this.request.get("/menu/", {
        params: {
          name: this.name,
        }
      }).then(res => {
        console.log(res)
        this.tableData = res.data
      })
      this.request.get("/menu/dict").then(res=>{
        this.options=res.data
      })

    },
    save() {
      console.log(this.flagsave)
      if(!this.flagsave){
        this.request.post("/menu/inster", this.form).then(res => {
          if (res.code=="200") {
            this.$message.success("添加成功")
            this.dialogFormVisible = false
            this.load()
          } else {
            this.$message.error("添加失败")
          }
        })
      }else {
        this.request.put("/menu/", this.form).then(res => {
          if (res.code=="200") {
            this.$message.success("修改成功")
            this.dialogFormVisible = false
            this.load()
          } else {
            this.$message.error("修改失败")
          }
        })
      }
    },
    handleAdd(id) {
      this.dialogFormVisible = true
      this.form = {}
      if(id){
        this.form.pid=id;
      }
    },
    handleAdd1(){
      this.dialogFormVisible = true
      this.form = {}
      this.flagsave=false
    },
    handleEdit(row) {
      this.form = JSON.parse(JSON.stringify(row))  //可以解决编辑未确认就改变的问题
      // this.form=row
      this.dialogFormVisible = true
      this.flagsave=true
    },
    del(id) {
      this.request.delete("/menu/" + id).then(res => {
        if (res.code=="200") {
          this.$message.success("删除成功")
          this.load()
        } else {
          this.$message.error("删除失败")
        }
      })
    },
    handleSelectionChange(val) {
      console.log(val)
      this.multipleSelection = val
    },
    delBatch() {
      let ids = this.multipleSelection.map(v => v.id)  // [{}, {}, {}] => [1,2,3]
      this.request.post("/menu/del/batch", ids).then(res => {
        if (res.code=="200") {
          this.$message.success("批量删除成功")
          this.load()
        } else {
          this.$message.error("批量删除失败")
        }
      })
    },
    reset() {
      this.name = ""
      this.load()
    },
    handleSizeChange(pageSize) {
      console.log(pageSize)
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(pageNum) {
      console.log(pageNum)
      this.pageNum = pageNum
      this.load()
    },

  }
}
</script>

<style>
.headerBg {
  background: #eee!important;
}
</style>